/**
 *
 * Utilities
 * Author: Stefan Petre www.eyecon.ro
 *
 */
(function ($) {
    EYE.extend({
        getPosition: function (e, forceIt) {
            var x = 0;
            var y = 0;
            var es = e.style;
            var restoreStyles = false;
            if (forceIt && jQuery.curCSS(e, 'display') == 'none') {
                var oldVisibility = es.visibility;
                var oldPosition = es.position;
                restoreStyles = true;
                es.visibility = 'hidden';
                es.display = 'block';
                es.position = 'absolute';
            }
            var el = e;
            if (el.getBoundingClientRect) { // IE
                var box = el.getBoundingClientRect();
                x = box.left + Math.max(document.documentElement.scrollLeft, document.body.scrollLeft) - 2;
                y = box.top + Math.max(document.documentElement.scrollTop, document.body.scrollTop) - 2;
            } else {
                x = el.offsetLeft;
                y = el.offsetTop;
                el = el.offsetParent;
                if (e != el) {
                    while (el) {
                        x += el.offsetLeft;
                        y += el.offsetTop;
                        el = el.offsetParent;
                    }
                }
                if (jQuery.browser.safari && jQuery.curCSS(e, 'position') == 'absolute') {
                    x -= document.body.offsetLeft;
                    y -= document.body.offsetTop;
                }
                el = e.parentNode;
                while (el && el.tagName.toUpperCase() != 'BODY' && el.tagName.toUpperCase() != 'HTML') {
                    if (jQuery.curCSS(el, 'display') != 'inline') {
                        x -= el.scrollLeft;
                        y -= el.scrollTop;
                    }
                    el = el.parentNode;
                }
            }
            if (restoreStyles == true) {
                es.display = 'none';
                es.position = oldPosition;
                es.visibility = oldVisibility;
            }
            return {x: x, y: y};
        },
        getSize: function (e) {
            var w = parseInt(jQuery.curCSS(e, 'width'), 10);
            var h = parseInt(jQuery.curCSS(e, 'height'), 10);
            var wb = 0;
            var hb = 0;
            if (jQuery.curCSS(e, 'display') != 'none') {
                wb = e.offsetWidth;
                hb = e.offsetHeight;
            } else {
                var es = e.style;
                var oldVisibility = es.visibility;
                var oldPosition = es.position;
                es.visibility = 'hidden';
                es.display = 'block';
                es.position = 'absolute';
                wb = e.offsetWidth;
                hb = e.offsetHeight;
                es.display = 'none';
                es.position = oldPosition;
                es.visibility = oldVisibility;
            }
            return {w: w, h: h, wb: wb, hb: hb};
        },
        getClient: function (e) {
            var h, w;
            if (e) {
                w = e.clientWidth;
                h = e.clientHeight;
            } else {
                var de = document.documentElement;
                w = window.innerWidth || self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
                h = window.innerHeight || self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
            }
            return {w: w, h: h};
        },
        getScroll: function (e) {
            var t = 0, l = 0, w = 0, h = 0, iw = 0, ih = 0;
            if (e && e.nodeName.toLowerCase() != 'body') {
                t = e.scrollTop;
                l = e.scrollLeft;
                w = e.scrollWidth;
                h = e.scrollHeight;
            } else {
                if (document.documentElement) {
                    t = document.documentElement.scrollTop;
                    l = document.documentElement.scrollLeft;
                    w = document.documentElement.scrollWidth;
                    h = document.documentElement.scrollHeight;
                } else if (document.body) {
                    t = document.body.scrollTop;
                    l = document.body.scrollLeft;
                    w = document.body.scrollWidth;
                    h = document.body.scrollHeight;
                }
                if (typeof pageYOffset != 'undefined') {
                    t = pageYOffset;
                    l = pageXOffset;
                }
                iw = self.innerWidth || document.documentElement.clientWidth || document.body.clientWidth || 0;
                ih = self.innerHeight || document.documentElement.clientHeight || document.body.clientHeight || 0;
            }
            return {t: t, l: l, w: w, h: h, iw: iw, ih: ih};
        },
        getMargins: function (e, toInteger) {
            var t = jQuery.curCSS(e, 'marginTop') || '';
            var r = jQuery.curCSS(e, 'marginRight') || '';
            var b = jQuery.curCSS(e, 'marginBottom') || '';
            var l = jQuery.curCSS(e, 'marginLeft') || '';
            if (toInteger)
                return {
                    t: parseInt(t, 10) || 0,
                    r: parseInt(r, 10) || 0,
                    b: parseInt(b, 10) || 0,
                    l: parseInt(l, 10)
                };
            else
                return {t: t, r: r, b: b, l: l};
        },
        getPadding: function (e, toInteger) {
            var t = jQuery.curCSS(e, 'paddingTop') || '';
            var r = jQuery.curCSS(e, 'paddingRight') || '';
            var b = jQuery.curCSS(e, 'paddingBottom') || '';
            var l = jQuery.curCSS(e, 'paddingLeft') || '';
            if (toInteger)
                return {
                    t: parseInt(t, 10) || 0,
                    r: parseInt(r, 10) || 0,
                    b: parseInt(b, 10) || 0,
                    l: parseInt(l, 10)
                };
            else
                return {t: t, r: r, b: b, l: l};
        },
        getBorder: function (e, toInteger) {
            var t = jQuery.curCSS(e, 'borderTopWidth') || '';
            var r = jQuery.curCSS(e, 'borderRightWidth') || '';
            var b = jQuery.curCSS(e, 'borderBottomWidth') || '';
            var l = jQuery.curCSS(e, 'borderLeftWidth') || '';
            if (toInteger)
                return {
                    t: parseInt(t, 10) || 0,
                    r: parseInt(r, 10) || 0,
                    b: parseInt(b, 10) || 0,
                    l: parseInt(l, 10) || 0
                };
            else
                return {t: t, r: r, b: b, l: l};
        },
        traverseDOM: function (nodeEl, func) {
            func(nodeEl);
            nodeEl = nodeEl.firstChild;
            while (nodeEl) {
                EYE.traverseDOM(nodeEl, func);
                nodeEl = nodeEl.nextSibling;
            }
        },
        getInnerWidth: function (el, scroll) {
            var offsetW = el.offsetWidth;
            return scroll ? Math.max(el.scrollWidth, offsetW) - offsetW + el.clientWidth : el.clientWidth;
        },
        getInnerHeight: function (el, scroll) {
            var offsetH = el.offsetHeight;
            return scroll ? Math.max(el.scrollHeight, offsetH) - offsetH + el.clientHeight : el.clientHeight;
        },
        getExtraWidth: function (el) {
            if ($.boxModel)
                return (parseInt($.curCSS(el, 'paddingLeft')) || 0)
                    + (parseInt($.curCSS(el, 'paddingRight')) || 0)
                    + (parseInt($.curCSS(el, 'borderLeftWidth')) || 0)
                    + (parseInt($.curCSS(el, 'borderRightWidth')) || 0);
            return 0;
        },
        getExtraHeight: function (el) {
            if ($.boxModel)
                return (parseInt($.curCSS(el, 'paddingTop')) || 0)
                    + (parseInt($.curCSS(el, 'paddingBottom')) || 0)
                    + (parseInt($.curCSS(el, 'borderTopWidth')) || 0)
                    + (parseInt($.curCSS(el, 'borderBottomWidth')) || 0);
            return 0;
        },
        isChildOf: function (parentEl, el, container) {
            if (parentEl == el) {
                return true;
            }
            if (!el || !el.nodeType || el.nodeType != 1) {
                return false;
            }
            if (parentEl.contains && !$.browser.safari) {
                return parentEl.contains(el);
            }
            if (parentEl.compareDocumentPosition) {
                return !!(parentEl.compareDocumentPosition(el) & 16);
            }
            var prEl = el.parentNode;
            while (prEl && prEl != container) {
                if (prEl == parentEl)
                    return true;
                prEl = prEl.parentNode;
            }
            return false;
        },
        centerEl: function (el, axis) {
            var clientScroll = EYE.getScroll();
            var size = EYE.getSize(el);
            if (!axis || axis == 'vertically')
                $(el).css(
                    {
                        top: clientScroll.t + ((Math.min(clientScroll.h, clientScroll.ih) - size.hb) / 2) + 'px'
                    }
                );
            if (!axis || axis == 'horizontally')
                $(el).css(
                    {
                        left: clientScroll.l + ((Math.min(clientScroll.w, clientScroll.iw) - size.wb) / 2) + 'px'
                    }
                );
        }
    });
    if (!$.easing.easeout) {
        $.easing.easeout = function (p, n, firstNum, delta, duration) {
            return -delta * ((n = n / duration - 1) * n * n * n - 1) + firstNum;
        };
    }

})(jQuery);